| 摘要 |
<p>Disclosed are a growth substrate and a light emitting device. The light emitting device includes a silicon substrate, a first buffer layer disposed on the silicon substrate and having an exposing portions of the silicon substrate, a second buffer layer covering the first buffer layer and the exposed portions of the silicon substrate, wherein the second buffer layer is formed of a material causing a eutectic reaction with the silicon substrate, a third buffer layer disposed on the second buffer layer, and a light emitting structure disposed on the third buffer layer, and the second buffer layer includes voids.
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